DE2230343C3 - Flamitienüberwachungsschaltung - Google Patents

Flamitienüberwachungsschaltung

Info

Publication number
DE2230343C3
DE2230343C3 DE2230343A DE2230343A DE2230343C3 DE 2230343 C3 DE2230343 C3 DE 2230343C3 DE 2230343 A DE2230343 A DE 2230343A DE 2230343 A DE2230343 A DE 2230343A DE 2230343 C3 DE2230343 C3 DE 2230343C3
Authority
DE
Germany
Prior art keywords
voltage
flame
transistor
circuit
resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2230343A
Other languages
German (de)
English (en)
Other versions
DE2230343A1 (de
DE2230343B2 (de
Inventor
Elihu Craig Wellesley Mass. Thomson (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronics Corp Of Amerika Cambridge Mass (vsta)
Original Assignee
Electronics Corp Of Amerika Cambridge Mass (vsta)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electronics Corp Of Amerika Cambridge Mass (vsta) filed Critical Electronics Corp Of Amerika Cambridge Mass (vsta)
Publication of DE2230343A1 publication Critical patent/DE2230343A1/de
Publication of DE2230343B2 publication Critical patent/DE2230343B2/de
Application granted granted Critical
Publication of DE2230343C3 publication Critical patent/DE2230343C3/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
    • F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/04—Fail safe for electrical power failures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Combustion (AREA)
DE2230343A 1971-06-21 1972-06-21 Flamitienüberwachungsschaltung Expired DE2230343C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15506271A 1971-06-21 1971-06-21

Publications (3)

Publication Number Publication Date
DE2230343A1 DE2230343A1 (de) 1972-12-28
DE2230343B2 DE2230343B2 (de) 1974-10-17
DE2230343C3 true DE2230343C3 (de) 1975-06-12

Family

ID=22553977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2230343A Expired DE2230343C3 (de) 1971-06-21 1972-06-21 Flamitienüberwachungsschaltung

Country Status (8)

Country Link
US (1) US3710149A (fr)
BE (1) BE785154A (fr)
CA (1) CA980894A (fr)
CH (1) CH541774A (fr)
DE (1) DE2230343C3 (fr)
FR (1) FR2143133B1 (fr)
GB (1) GB1388057A (fr)
NL (1) NL7208514A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2611763A1 (de) 1975-03-20 1976-09-30 Electronics Corp America Einrichtung zur flammenueberwachung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2238393A5 (fr) * 1973-07-17 1975-02-14 Rv Const Electriques
US3903418A (en) * 1973-12-14 1975-09-02 Forney International Infrared dynamic flame detector
US3866130A (en) * 1974-03-07 1975-02-11 Rockwell International Corp Signal comparator with programmed threshold
US3958126A (en) * 1974-11-25 1976-05-18 Electronics Corporation Of America Logic circuitry
US4257759A (en) * 1979-03-15 1981-03-24 Honeywell Inc. Fuel burner primary control means
JP2887993B2 (ja) * 1991-10-25 1999-05-10 日本電気株式会社 周波数ミキサ回路
US5227639A (en) * 1991-12-16 1993-07-13 Honeywell Inc. Infrared-based sensing circuit providing an output simulating the output of a flame rod sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178583A (en) * 1960-04-04 1965-04-13 Motorola Inc Transistor voltage comparator circuit
US3033996A (en) * 1960-11-15 1962-05-08 Robert R Atherton Voltage comparator having pulse generator operative when input voltage back-biases comparison diode
US3492589A (en) * 1967-04-03 1970-01-27 Honeywell Inc Failsafe circuit apparatus
US3601614A (en) * 1970-05-25 1971-08-24 Chrysler Corp Automatic anti-glare rearview mirror system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2611763A1 (de) 1975-03-20 1976-09-30 Electronics Corp America Einrichtung zur flammenueberwachung

Also Published As

Publication number Publication date
GB1388057A (en) 1975-03-19
FR2143133A1 (fr) 1973-02-02
CA980894A (en) 1975-12-30
NL7208514A (fr) 1972-12-27
DE2230343A1 (de) 1972-12-28
DE2230343B2 (de) 1974-10-17
FR2143133B1 (fr) 1973-07-13
BE785154A (fr) 1972-10-16
US3710149A (en) 1973-01-09
CH541774A (de) 1973-09-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)